| Patents for H02H 11 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result (2,416) |
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| 07/01/2003 | US6587325 Equipment load safety circuit |
| 06/26/2003 | WO2003052896A1 A polarity protection implemented with a mosfet |
| 06/18/2003 | DE10210665C1 Electrical power distribution apparatus e.g. for hybrid drive for electric vehicle has jumper links for closing diagnostic circuit, and switch controlled by control unit |
| 06/12/2003 | US20030107853 Apparatus and method for servicing a distribution bus |
| 06/12/2003 | US20030107851 Mobile high voltage network |
| 06/11/2003 | EP1318587A2 Apparatus and method for servicing a distribution bus |
| 06/11/2003 | CN1423385A Apparatus and method for maintaining distribution bus |
| 06/10/2003 | US6577482 Protective circuit for a series connection of a power semi-conductor end stage and an inductive consumer |
| 06/07/2003 | CA2413525A1 Apparatus and method for servicing a distribution bus |
| 05/28/2003 | EP1315264A1 Method for earth fault monitoring of a power converter drive |
| 05/21/2003 | EP1312149A2 Protective relay |
| 05/07/2003 | EP1309233A2 High voltage discharge lamp device |
| 05/07/2003 | EP1309232A2 High voltage discharge lamp device |
| 05/07/2003 | EP1309230A2 High voltage discharge lamp device |
| 05/07/2003 | EP1309229A2 High voltage discharge lamp device |
| 05/07/2003 | EP1309060A2 High voltage discharge lamp device |
| 05/06/2003 | US6560079 Ground loss detection for electrical appliances |
| 05/02/2003 | EP1306955A2 Mobile high voltage network |
| 05/01/2003 | US20030081365 Power supply reverse bias protection circuit for protecting both analog and digital devices coupled thereto |
| 04/17/2003 | WO2003032459A1 Electronic apparatus |
| 04/10/2003 | US20030067303 Method for monitoring the ground potential of a rectifier drive |
| 04/09/2003 | EP1299933A2 Electronic circuit for an energy supply device, especially for a charging device for batteries |
| 04/01/2003 | US6542349 Portable X-ray fluorescence analyzer |
| 04/01/2003 | US6542347 Apparatus for protecting electronic equipment and related methods |
| 03/27/2003 | US20030057774 Power supply cut system for vehicle |
| 03/26/2003 | EP1296419A2 Power supply cut system for vehicle |
| 03/25/2003 | US6538864 Protective circuit for an electronic device |
| 03/19/2003 | EP1293030A1 Circuit arrangement |
| 03/11/2003 | US6531789 Electric energy source having safety control device |
| 03/06/2003 | US20030043518 Methods and apparatus for distributing electrical power |
| 03/06/2003 | US20030043516 Electrical ground fault protection circuit |
| 03/05/2003 | EP1288987A1 Tilt switch and circuit therefor |
| 03/04/2003 | US6529356 Power polarity reversal protecting circuit for an integrated circuit |
| 02/27/2003 | WO2003017460A1 Device and method for monitoring the connection of an electrical supply unit |
| 02/27/2003 | US20030038545 Electric energy source having safety control device |
| 02/13/2003 | WO2003012970A1 Method and apparatus for controlling power supplied to a motor |
| 02/11/2003 | US6519126 Anti-reverse connection circuit for power supply |
| 02/06/2003 | US20030026599 Method and apparatus for controlling power supplied to a motor |
| 02/06/2003 | US20030025546 Protection circuit |
| 01/29/2003 | EP1279212A1 Method for protecting a dc generator against overvoltage |
| 01/28/2003 | US6512682 Power supply with interface to determine power requirements of devices coupled thereto |
| 01/22/2003 | CN1099572C Freezer control unit |
| 01/07/2003 | US6504693 Network protector relay providing a close function |
| 01/02/2003 | EP0838103A4 Electrical fault interrupt with frayed cord protection |
| 01/01/2003 | CN1388621A Power supply system with spare AC power source and function against reverse insertion of AC power source |
| 01/01/2003 | CN1097872C Switch installation |
| 12/31/2002 | US6501196 Fault tolerant AC transfer switch |
| 12/12/2002 | US20020186119 Electronic equipment |
| 12/11/2002 | EP1265355A2 Overcurrent protection in a car stereo system |
| 12/11/2002 | CN1384578A Comprehensive leakage protection plug |
| 12/11/2002 | CN1384577A Comprehensive leakage protection plug-socket |
| 12/11/2002 | CN1384576A Comprehensive leakage protection socket |
| 12/11/2002 | CN1384575A Comprehensive leakage protection socket combination |
| 11/28/2002 | US20020175568 Device for protecting a machine system a gainst undesired operation |
| 11/21/2002 | US20020171298 Input protection circuit of a handheld electric device |
| 11/14/2002 | US20020167771 Countercurrent prevention circuit |
| 10/29/2002 | US6473282 Latch-up protection circuit for integrated circuits biased with multiple power supplies and its method |
| 10/24/2002 | US20020153900 Method for detecting improper connection of connector |
| 10/16/2002 | EP1248928A1 Protection device against the undesirable initiation of a machinery |
| 10/10/2002 | DE10115869A1 Vorrichtung zur Diagnose einer Endstufenschaltung Apparatus for diagnosing a power amp circuit |
| 10/03/2002 | US20020141217 Power supply with interface to determine power requirements of devices coupled thereto |
| 10/03/2002 | US20020141124 Protection device |
| 09/26/2002 | DE10111252A1 Arrangement for protecting loads in vehicle electrical circuits, has trigger unit with semiconducting elements in pyrotechnic charge for igniting charge to open isolating element |
| 09/24/2002 | US6456083 Method and apparatus for diagnosing short circuit conditions |
| 09/17/2002 | US6452772 Auto remote control with signal strength discrimination |
| 08/29/2002 | US20020117902 Remote safety switch for electric appliances |
| 08/27/2002 | US6442452 Control apparatus for carrying out switching operations in a switchgear assembly |
| 08/21/2002 | EP0862808B1 An installation for power transmission by means of high-voltage direct current, comprising device for detection of a permanent ground fault |
| 08/20/2002 | US6437951 Electrical ground fault protection circuit |
| 08/15/2002 | US20020109952 High voltage battery cutout circuit for a motor vehicle electrical system |
| 08/14/2002 | EP1074081B1 Polarity reversal protection circuit |
| 08/06/2002 | US6429550 Polarity reversal protection circuit for a final electronic power stage |
| 07/31/2002 | EP1227562A1 Electric circuit for protecting an electronic device connected to a dc power supply upon inverted polarity of the supply |
| 07/31/2002 | EP1169763B1 Protective circuit for an electronic device |
| 07/17/2002 | EP1223672A2 Electronic device |
| 07/17/2002 | EP1222726A1 Method for safely coupling an external voltage network to a service voltage network and circuit configuration for carrying out said method |
| 07/11/2002 | US20020089803 Power polarity reversal protecting circuit for an integrated circuit |
| 07/04/2002 | US20020085325 System interconnection apparatus and connection method thereof |
| 07/03/2002 | EP1220451A1 Power polarity reversal protecting circuit for an integrated circuit |
| 06/27/2002 | US20020079745 Electronic device |
| 06/26/2002 | CN1355607A Circuit with protection to error-polarity connection of power supply |
| 06/19/2002 | CN2496169Y Automobile motor protector |
| 06/13/2002 | US20020071231 Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods |
| 06/13/2002 | DE10059800A1 Polarity inversion protection circuit has thermally coupled and matched electronic valve and thermal switch that opens electrical connection and isolates valve from supply if valve heats up |
| 05/29/2002 | DE10055077A1 Vorrichtung zum Verpolschutz elektrischer Komponenten Reverse polarity protection device for electrical components |
| 05/23/2002 | WO2002001694A3 Electronic circuit for an energy supply device, especially for a charging device for batteries |
| 05/23/2002 | US20020060889 IC PMOS Schottky reverse bias protection structure |
| 05/23/2002 | DE10156416A1 Electronic controller for vehicles has diode between at least one electronic circuit and common earth line to limit reverse current that results in current flowing into electronic circuit(s) |
| 05/16/2002 | WO2002017456A3 Protective relay |
| 05/16/2002 | US20020057078 Protective circuit for an electronic device |
| 05/16/2002 | DE10051976A1 Schaltungsanordnung zum Betreiben einer Last Circuit arrangement for operating a load |
| 05/15/2002 | EP1206025A2 Device for reverse battery protection of electrical components |
| 05/15/2002 | CN1349238A Start protector |
| 05/14/2002 | US6388854 Load balancing and distributing switch-on control for a circuit breaker, an appliance, a device, or an apparatus |
| 05/08/2002 | DE10050287A1 Protective device for control of clocked electromagnetic consumer such as motor has freewheel device consisting of transistor , reverse battery protection having further transistor and freewheel |
| 05/02/2002 | DE10048592A1 Reverse battery protection circuit for electronic circuit e.g. for motor vehicles, has controllable reverse battery protection switch with on-load path set up between connections for supply voltages and connected in series to load |
| 04/30/2002 | US6381152 Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device |
| 04/25/2002 | WO2002033800A1 Circuit arrangement for driving a load |
| 04/25/2002 | US20020047636 High voltage discharge lamp device |
| 04/17/2002 | EP0876699B1 Current limiting circuit |